“假设实验教学法”是一种以教师为主导,学生为主体的现代小学自然教学法,它的教学过程主要可分为四个阶段。 一、主体化阶段:在这个阶段,教师必须精心设计一个情境,使学生主动、自愿地进入问题中来,成为整个学习过程的主体。 “Suppose experimental teaching method” is a kind of modern primary school natural teaching method which takes teacher as the leading and student as the main body. Its teaching process can be divided into four stages. First, the main stage: At this stage, teachers must carefully design a context, so that students take the initiative to voluntarily enter the issue, as the main body of the learning process.